It is believed that regular exercise leads to a lower resting pulse rate. Following are data for 20 individuals on resting pulse rate and whether the individuals regularly exercise or not. Assuming this is a random sample from a large population, use this sample to determine whether the mean pulse is lower for those who exercise.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.9: Independent And Dependent Events
Problem 2E
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It is believed that regular exercise leads to a lower resting pulse rate. Following are data for 20 individuals on resting pulse rate and whether the individuals regularly exercise or not.

Assuming this is a random sample from a large population, use this sample to determine whether the mean pulse is lower for those who exercise.

Person Pulse
72
62
72
84
Regularly
Exercises
No
Yes
Yes
3
4
No
5
Yes
Yes
60
63
66
72
75
64
62
84
76
60
6
7
No
No
Yes
Yes
No
8
9.
10
11
12
No
No
Yes
13
14
15
52
60
Yes
16
No
17
64
Yes
18
80
Yes
19
68
Yes
20
64
Yes
Transcribed Image Text:Person Pulse 72 62 72 84 Regularly Exercises No Yes Yes 3 4 No 5 Yes Yes 60 63 66 72 75 64 62 84 76 60 6 7 No No Yes Yes No 8 9. 10 11 12 No No Yes 13 14 15 52 60 Yes 16 No 17 64 Yes 18 80 Yes 19 68 Yes 20 64 Yes
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